Top 100 IT Services Companies in the United Kingdom
The Best of October 2026
IT services form the foundation of contemporary businesses. Today, a company's operations entirely rely on computer systems and software, which streamline processes for better efficiency. Having a partner that guarantees the seamless operation of these vital systems is crucial, as it directly impacts a brand's success—a robust and dependable backend results in a user-friendly frontend, enhancing traffic, engagement, and conversions.
The only problem modern companies face is finding such a partner. One with technical expertise and a deep understanding and insight into the company’s industry. This is why The Manifest created and curated a list of the top performers in the IT services development industry in the United Kingdom. Make sure to go through each option and read the user-contributed reviews about them. Choose the agency that best suits your company’s needs and requirements.
Jump to Most Reviewed Companies
List of the Best United Kingdom IT Companies
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2521$1,000+10 - 49 employeesUxbridge, EnglandBrdge AI is an IT managed services company launched in 2024. The small team offers IT managed services and Artificial Intelligence.Read More
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2522Undisclosed10 - 49 employeesLondon, EnglandFounded in 2025, Prawda Digital is a small London, England-based Application Testing company. Their team focuses on Application Testing and IT managed services.Read More
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2523$5,000+10 - 49 employeesLondon, EnglandCorestreamNG is a London, England-based web design company. They focus on Web Design and IT strategy consulting.Read More
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2524$5,000+10 - 49 employeesLondon, EnglandGeniSol Technologies Ltd is a small software development company launched in 2023. Their services include Custom Software Development and IT staff augmentation.Read More
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2525$50,000+10 - 49 employeesLondon, EnglandFounded in 2022, Weirdoo is a custom software development firm. Headquartered in London, England, the team specializes in Custom Software Development and UX/UI Design.Read More
Industries
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2526$25,000+10 - 49 employeesBirmingham, EnglandCodM software Limited is an AI Agents company. They focus on AI Agents and AI Consulting and are located in Birmingham, England.Read More
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2527$1,000+50 - 249 employeesLondon, EnglandCustom software development company Hardcastle GIS was launched in 2011. The team provides Custom Software Development and Application Testing.Read More
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2528$1,000+10 - 49 employeesCrawley, EnglandUnion Designers is a website development company launched in 2014. The team provides Web Development and Web Design and is in Crawley, England.Read More
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2529Undisclosed10 - 49 employeesCardiff, WalesE-commerce development company ZestinIT Solutions Ltd is in Cardiff, Wales and Navi Mumbai, India. They specialize in E-Commerce Development and Mobile App Development and were founded in 2014.Read More
Industries
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2530Undisclosed10 - 49 employeesLondon, EnglandIn London, England, Builtvisible is a Content Marketing company. They specialize in Content Marketing and Search Engine Optimization.Read More
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2531$10,000+Freelancer employeesFareham, EnglandProblems.Consulting is a Business Consulting company launched in 2019. Their team focuses on Business Consulting and IT strategy consulting.Read More
Industries
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2532$5,000+2 - 9 employeesLondon, EnglandCypher Digital is a software development company in London, England. They specialize in Custom Software Development and UX/UI Design.Read More
Industries
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2533$5,000+2 - 9 employeesLondon, EnglandFounded in 2025, DIGIZAL is a small custom software development firm located in London, England. Their team offers Custom Software Development and Artificial Intelligence.Read More
Industries
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2534Undisclosed2 - 9 employeesNottingham, EnglandCogent2 Limited is an ERP consulting and SI company. They were launched in 2024 and provide ERP consulting and SI and Web Development.Read More
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2535$10,000+2 - 9 employeesHarrogate, EnglandProcosoft Ltd, an ERP consulting and SI company, is located in Harrogate, England. Established in 2010, the team specializes in ERP consulting and SI and Custom Software Development.Read More
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2536Undisclosed2 - 9 employeesWolverhampton, EnglandConnxess Ltd is a Back Office Outsourcing company. The team is based in Wolverhampton, England, and their services include Back Office Outsourcing and CRM consulting and SI.Read More
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2537Undisclosed2 - 9 employeesLondon, EnglandEstablished in 2020, GREENLEAFWEB LTD is a website development firm. The team offers Web Development and Custom Software Development.Read More
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2538UndisclosedFreelancer employeesKiveton Park, EnglandDenny Digital is a Kiveton Park, England-based web design agency. They focus on Web Design and CRM consulting and SI.Read More
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2539$5,000+10 - 49 employeesBristol, EnglandYachting Pages Media Group, an Email Marketing company, is located in Bristol, England. Established in 2004, the team provides Email Marketing and Search Engine Optimization.Read More
Industries
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2540$5,000+50 - 249 employeesLondon , EnglandIDeveloperSquare is a web design company. The Waltham, Massachusetts-based agency specializes in Web Design and E-Commerce Development.Read More
Industries
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2541$10,000+10 - 49 employeesBingham, EnglandSourceCloud Limited is a custom software development firm. Their small team is in Bingham, England. Their services include Custom Software Development and Web Development.Read More
Industries
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2542UndisclosedFreelancer employeesLondon, EnglandAgrea Consultancy Services Ltd is a small London, England-based Business Consulting company. Their services include Business Consulting and Corporate Training & Coaching.Read More
Industries
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2543$1,000+2 - 9 employeesLondon, EnglandOberonex is a social media marketing firm launched in 2022. Their services include Social Media Marketing and UX/UI Design.Read More
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2544$10,000+2 - 9 employeesLeeds, EnglandSoftware development firm DRS Software is located in Leeds, England. Their services include Custom Software Development and Enterprise App Modernization.Read More
Clients
Siemens Healthineers Harvard University IUVO Alpha Process Control -
2545$10,000+2 - 9 employeesLuton, EnglandICareSofttech Solutions is a CRM consulting and SI company. They were established in 2025 and focus on CRM consulting and SI and Custom Software Development.Read More
Industries
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2546$10,000+2 - 9 employeesCardiff Bay, WalesCore is a branding company. The team is in Cardiff Bay, Wales, and their services include Branding and Conversion Optimization.Read More
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2547Undisclosed250 - 999 employeesBirmingham, EnglandMHA MacIntyre Hudson, an Accounting company, was launched in 1880. The team provides Accounting and cloud consulting & SI and is located in Birmingham, England.Read More
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2548Undisclosed250 - 999 employeesLondon, EnglandExiger is an AI company. They offer Artificial Intelligence and Cybersecurity and were launched in 2013.Read More
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2549Undisclosed2 - 9 employeesSouth Croydon, EnglandOasis Private Limted is a software development company established in 2022. Their team offers Custom Software Development and BI & big data consulting & SI.Read More
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2550$1,000+2 - 9 employeesLiverpool, EnglandMr. Brown Solutions Ltd is a Liverpool, England-based Marketing Strategy company. They focus on Marketing Strategy and Conversion Optimization.Read More
Industries
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